package teach.date;

import java.util.Calendar;
import java.util.HashMap;
import java.util.Map;

public class CalendarDemo {
    public static void main(String[] args) {
        Calendar calendar = Calendar.getInstance();

        char c = '\u0040';
        System.out.println(c);


        char[] ch = { 'a', 'c', 'a', 'b', 'c', 'b' };
        Map<Character,Integer> map = new HashMap<Character,Integer>();
        for (int i = 0; i < ch.length; i++) {
            //应该填入
        }
        System.out.println(map);

    }
}
